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A modification of the kaleidophon, for showing composition of acoustic vibrations. It consists of two thin slips of steel welded together, their length being adjystable by a screw socket.

Abounding in tone or sound.

See Tonka bean.

One of the two glandular organs situated in the throat at the sides of the fauces. The tonsils are sometimes called the almonds, from their shape.

Of or pertaining to the tonsils; tonsilitic. [Written also tonsillar.]

Capable of being clipped.

Tonsilar. [Written also tonsillitic.]

Inflammation of the tonsil; quinsy. [Written also, and more usually, tonsillitis.]

An instrument for removing the tonsils.

The operation of removing the tonsil, or a portion thereof.

A barber. Sir W. Scott.

Of or pertaining to a barber, or shaving.

The act of clipping the hair, or of shaving the crown of the head; also, the state of being shorn.

Having the tonsure; shaven; shorn; clipped; hence, bald. A tonsured head in middle age forlorn. Tennyson.

three, according to the terms on which the money is advanced. Used also adjectively; as, tontine insurance. Too many of the financiers by professions are apt to see nothing in revenue but banks, and circulations, and annuities on lives, and tontines, and perpetual rents, and all the small wares of the shop. Burke.…

Insurance in which the benefits of the insurance are distributed upon the tontine principle. Under the old, or full tontine, plan, all benefits were forfeited on lapsed policies, on the policies of those who died within the tontine period only the face of the policy was paid without any share of the surplus, and the su…

Tonicity, or tone; as, muscular tonus.

A simpleton. L'Estrange. A pattern and companion fit For all the keeping tonies of the pit. Dryden.

A morbid condition characterized by the presence of acetone in the blood, as in diabetes.

A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.